IT1083600B - Procedimento e dispositivo per modificare lo spessore di un corpo estruso particolarmente di un tubo di materia termoplastica - Google Patents

Procedimento e dispositivo per modificare lo spessore di un corpo estruso particolarmente di un tubo di materia termoplastica

Info

Publication number
IT1083600B
IT1083600B IT68762/77A IT6876277A IT1083600B IT 1083600 B IT1083600 B IT 1083600B IT 68762/77 A IT68762/77 A IT 68762/77A IT 6876277 A IT6876277 A IT 6876277A IT 1083600 B IT1083600 B IT 1083600B
Authority
IT
Italy
Prior art keywords
modify
procedure
thickness
thermoplastic material
material tube
Prior art date
Application number
IT68762/77A
Other languages
English (en)
Inventor
Andre Emile Rene Lagabe
Bernard Andre Prevotat
Original Assignee
Pont A Mousson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7623457A external-priority patent/FR2359696A1/fr
Priority claimed from FR7717902A external-priority patent/FR2393667A2/fr
Application filed by Pont A Mousson filed Critical Pont A Mousson
Application granted granted Critical
Publication of IT1083600B publication Critical patent/IT1083600B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT68762/77A 1976-07-30 1977-07-28 Procedimento e dispositivo per modificare lo spessore di un corpo estruso particolarmente di un tubo di materia termoplastica IT1083600B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7623457A FR2359696A1 (fr) 1976-07-30 1976-07-30 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant
FR7717902A FR2393667A2 (fr) 1977-06-10 1977-06-10 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant

Publications (1)

Publication Number Publication Date
IT1083600B true IT1083600B (it) 1985-05-21

Family

ID=26219574

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68762/77A IT1083600B (it) 1976-07-30 1977-07-28 Procedimento e dispositivo per modificare lo spessore di un corpo estruso particolarmente di un tubo di materia termoplastica

Country Status (11)

Country Link
US (1) US4157235A (it)
AR (1) AR213529A1 (it)
BR (1) BR7704953A (it)
CA (1) CA1092313A (it)
CH (1) CH615860A5 (it)
ES (1) ES461162A1 (it)
GB (1) GB1590542A (it)
IT (1) IT1083600B (it)
MX (1) MX144554A (it)
NL (1) NL7707749A (it)
OA (1) OA05723A (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340345A (en) * 1980-01-28 1982-07-20 The Plastic Forming Company, Inc. Apparatus for preparing a parison and transferring it to a molding machine
US4563320A (en) * 1983-01-20 1986-01-07 Hummor, Inc. Making thermoplastic items
DE3335850C2 (de) * 1983-10-03 1986-11-06 Fränkische Rohrwerke Gebrüder Kirchner GmbH & Co, 8729 Königsberg Vorrichtung zum Herstellen von Kunststoffrohren
US4650451A (en) * 1985-10-18 1987-03-17 Mobil Oil Corporation Intermittently translating draw tape stretched between nip rolls
US4708841A (en) * 1985-10-31 1987-11-24 Phillips Petroleum Company Pipe plug apparatus and method for its use
IT1185728B (it) * 1985-11-20 1987-11-12 Colbachini Spa Impianto per la confezione di tubi in gomma,provvisto di caratteristiche costruttive atte a permettere un perfetto allineamento delle anime,di qualsiasi diametro,rispetto alle teste motrici di rotazione
US5246752A (en) * 1986-08-18 1993-09-21 Technicon Instruments Corporation Method and apparatus for drawing thermoplastic tubing
US4857247A (en) * 1986-08-18 1989-08-15 Technicon Instruments Corporation Method for drawing thermoplastic tubing
US4929167A (en) * 1987-06-12 1990-05-29 Pepper Kenneth V Apparatus for producing a helical tube
US4831071A (en) * 1987-09-21 1989-05-16 Ici Americas Inc. Enhanced melt extrusion of thermoplastics containing silicone interpenetrating polymer networks
DE3737104A1 (de) * 1987-11-02 1989-05-11 Altenkirchener Kunststoff Schlauchstueck aus elastischem, gut rueckstellbarem kunststoff und verfahren zu seiner herstellung
US5006056A (en) * 1989-09-01 1991-04-09 The Black Clawson Company Film extrusion apparatus including a quickly replaceable chill roll
US5217723A (en) * 1991-06-03 1993-06-08 Tetragon, S.A. Apparatus for the production of reinforced flexible hoses
FR2682486B1 (fr) * 1991-10-15 1993-11-12 Commissariat A Energie Atomique Miroir dielectrique interferentiel et procede de fabrication d'un tel miroir.
US5330345A (en) * 1992-07-16 1994-07-19 Sheridan Catheter Corp. Apparatus and method for continuously winding a length of material into a helical form
AUPN547595A0 (en) * 1995-09-15 1995-10-12 Uponor B.V. Biaxial stretching of plastic tubes
US5954702A (en) * 1996-05-03 1999-09-21 Baxter International Inc. Interface geometry for adhesive bonds
US6129876A (en) * 1996-05-03 2000-10-10 Baxter International Inc. Heat setting of medical tubings
US5741452A (en) * 1996-05-03 1998-04-21 Baxter International Inc. Orienting extrusion processes for medical tubing applications
US6328716B1 (en) 1996-05-03 2001-12-11 Baxter International Inc. Method of using medical tubings in fluid administration sets
US6187400B1 (en) 1996-05-03 2001-02-13 Baxter International Inc. Medical tubing and pump performance enhancement by ionizing radiation during sterilization
US20030094736A1 (en) * 1996-05-03 2003-05-22 Chuan Qin Method of surface modifying a medical tubing
US5932307A (en) * 1996-05-03 1999-08-03 Baxter International Inc. Oriented medical tubing
US6506333B1 (en) 1996-05-03 2003-01-14 Baxter International Inc. Method of surface modifying a medical tubing
US6036676A (en) * 1996-05-03 2000-03-14 Baxter International Inc. Surface modified polymeric material formulation
TW480733B (en) * 2001-04-10 2002-03-21 Ind Tech Res Inst Self-aligned lightly doped drain polysilicon thin film transistor
JP3922564B2 (ja) * 2003-01-14 2007-05-30 東海興業株式会社 表面平滑な押出成形品の製造方法及び押出成形装置
US20060103048A1 (en) * 2004-11-17 2006-05-18 Crumm Aaron T Extrusion die for making a part with controlled geometry
EP2170092A1 (en) * 2007-07-13 2010-04-07 Conway Jr., W. Frederick Apparatus and method for manufacturing a consumable candy drinking straw

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU51673A1 (it) * 1965-07-29 1967-07-31
GB1236577A (en) * 1967-11-06 1971-06-23 Patrick William O Brien Corrugated flexible tubing
FR2285979A1 (fr) * 1974-09-26 1976-04-23 Rhone Poulenc Ind Procede d'obtention de tubes en matiere thermoplastique comportant une tulipe a une extremite

Also Published As

Publication number Publication date
AR213529A1 (es) 1979-02-15
GB1590542A (en) 1981-06-03
NL7707749A (nl) 1978-02-01
BR7704953A (pt) 1978-04-25
ES461162A1 (es) 1978-12-01
US4157235A (en) 1979-06-05
MX144554A (es) 1981-10-26
CH615860A5 (it) 1980-02-29
OA05723A (fr) 1981-05-31
CA1092313A (fr) 1980-12-30

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